9881619896 has 32 divisors (see below), whose sum is σ = 19038629280. Its totient is φ = 4804790400.

The previous prime is 9881619887. The next prime is 9881619901. The reversal of 9881619896 is 6989161889.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649901 + ... + 664931.

It is an arithmetic number, because the mean of its divisors is an integer number (594957165).

Almost surely, 2^9881619896 is an apocalyptic number.

It is an amenable number.

9881619896 is a deficient number, since it is larger than the sum of its proper divisors (9157009384).

9881619896 is a wasteful number, since it uses less digits than its factorization.

9881619896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17295 (or 17291 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 65.

The square root of 9881619896 is about 99406.3373030110. The cubic root of 9881619896 is about 2145.8995143145.

The spelling of 9881619896 in words is "nine billion, eight hundred eighty-one million, six hundred nineteen thousand, eight hundred ninety-six".